Patent holdings for IPC class G10C 1/04

Total number of patents in this class: 22

10-year publication summary

4
3
1
1
0
2
2
1
5
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Yamaha Corporation
4074
9
Kabushiki Kaisha Kawai Gakki Seisakusho
105
3
Suzhou Li Yue Musical Instruments Co., Ltd.
18
3
Schimmel Verwaltungsgesellschaft mbH
19
2
Kawai Musical Instruments Manufacturing Co., Ltd.
32
1
Yugen Kaisha Fujii Piano Service
8
1
Abeseishi Ltd.
2
1
Vioga GmbH
3
1
FB Flexure LLC
1
1
Other owners 0